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-   -   Is frozen joint compound acceptable once it has thawed? (http://www.diychatroom.com/f101/frozen-joint-compound-acceptable-once-has-thawed-167635/)

Deck 12-28-2012 05:59 PM

Is frozen joint compound acceptable once it has thawed?
 
I've read in the past that joint compound if frozen must thaw and then can be remixed. However today I was reading on diychatroom and I came across a thread in which a poster speculated that some bad joint compound may be that way because it was frozen at one point. Here's the post:
Quote:

Originally Posted by bjbatlanta (Post 277764)
Sounds like the mud was frozen at some point, perhaps in shipping from the plant to the store. You say you're in Southern California, but no telling where the mud was trucked in from. Once mud freezes and separates, no amount of mixing will make it usable again....

Can some experts here please weigh in on how big a deal it is if your joint compound freezes? Is it worthless? Does anyone have any real life examples? Also what's this I've been reading about weird smells? Does joint compound really go sour like milk?

Thanks

ToolSeeker 12-28-2012 06:05 PM

I have used it after it thaws but if it has been opened it will tend to spoil or sour if you don't use it soon.

Gary in WA 12-28-2012 08:07 PM

"Ready-mixed compound is sensitive to cold weather and
must be protected from freezing. If material freezes in the
container, allow it to thaw at room temperature. Do not force
the thawing process. Do not pour off any liquid that has
separated from the compound. Remix using a power drill
mixer until smooth and creamy. Usually thawed compound
will again be usable, unless it has been subjected to several
freeze-thaw cycles." From, pp 176; http://www.usg.com/documents/constru...k/chapter5.pdf

Gary

princelake 12-28-2012 11:15 PM

if mud freezes it never seems to be the same again. it like crystalizes and get clumpy, you can mix it up and reuse it but for what its worth just toss it and buy new mud because you probably dont want to chance putting crap on the wall and having a real mess on your hands and all to to save $10-20. also mud does go bad over time typically after a 1year plus depending on condition its stored in. the mud gets like moldy and stinky and basically does turn to sour milk.

ToolSeeker 12-29-2012 08:54 AM

Quote:

Originally Posted by princelake (Post 1081618)
if mud freezes it never seems to be the same again. it like crystalizes and get clumpy, you can mix it up and reuse it but for what its worth just toss it and buy new mud because you probably dont want to chance putting crap on the wall and having a real mess on your hands and all to to save $10-20. also mud does go bad over time typically after a 1year plus depending on condition its stored in. the mud gets like moldy and stinky and basically does turn to sour milk.

You can stop that from happening Make sure the top of the mud is covered with water and add a little bleach. When your ready to use it just pour the water off and mix.

newfie49 12-29-2012 04:33 PM

if I have any mud that froze I usually use it for taping, after thawing you might use it for bed coat but never had a problem using it for taping.

princelake 12-29-2012 08:54 PM

good tip tool seeker. i dont normally have mud that sits for that long. i've seen homeowners crack open a bucket thats been sitting on the shelf for god knows how long and oufff stankkky stuff.

DannyT 12-29-2012 10:13 PM

do they ship drywall mud in heated trucks in the winter??

federer 12-30-2012 01:40 AM

Quote:

Originally Posted by DannyT (Post 1082204)
do they ship drywall mud in heated trucks in the winter??

this is a good question! i want to say no because i walk in supply places and they just have pallets of them lying about. same with lumber =/

ToolSeeker 12-31-2012 08:06 AM

As an ex. truck driver- no they do not.

newfie49 12-31-2012 10:51 AM

But the DW supply places will have a heated building that they store the compound in, along with other accessories like glue and 1st coat etc. so mud needs to be protected in the cold months from freezing.

Deck 01-03-2013 12:12 AM

Thanks guys. My takeaway from this is try to avoid it if I can.


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